vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid

Examples of vitamin C in a Sentence

Recent Examples on the Web

Onion Onions are rich in vitamin C and other antioxidants, like flavonoids and sulfur. —Jillian Kubala, Health, 23 Oct. 2025

The blend of herbal ingredients (among them ginseng, a vitamin C derivative, and madecassoside, a compound found in centella asiatica), the formula sets out to support the skin barrier, boost hydration, and defend against environmental stressors. —Deanna Pai, Vogue, 22 Oct. 2025

Orange juice often gets praise for its immune-supporting vitamin C content. —Abby Norman, Verywell Health, 21 Oct. 2025

Miles Chamley-Watson, the Olympic fencer, uses Sturm’s vitamin C serum. —Justin Fenner, Robb Report, 18 Oct. 2025

Word History

First Known Use

circa 1920, in the meaning defined above

Rhymes for vitamin C

• abc
• absentee
• addressee
• adoptee
• agouti
• allottee
• amphorae
• amputee
• apc
• apogee
• appointee
• assessee

Kids Definition

vitamin C

noun

: a vitamin that is present especially in citrus fruits, tomatoes, and green vegetables and is needed by the body to prevent scurvy

called also ascorbic acid

Medical Definition

vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid